ruby - cocoa pods install on iOS project not working

Question

I have a react native project and want to install cocoa pods for iOS native specifics but the instal fails, I have ruby ruby 2.5.1p57 on Mac book pro

I have posted the error down, would be grateful for help

pod install


    Analyzing dependencies
Fetching podspec for `DoubleConversion` from `../node_modules/react-native/third-party-podspecs/DoubleConversion.podspec`
Fetching podspec for `Folly` from `../node_modules/react-native/third-party-podspecs/Folly.podspec`
Fetching podspec for `GLog` from `../node_modules/react-native/third-party-podspecs/GLog.podspec`
Fetching podspec for `React` from `../node_modules/react-native`
Fetching podspec for `react-native-fetch-blob` from `../node_modules/react-native-fetch-blob`
Fetching podspec for `react-native-google-maps` from `../node_modules/react-native-maps`
Fetching podspec for `react-native-maps` from `../node_modules/react-native-maps/`
Fetching podspec for `yoga` from `../node_modules/react-native/ReactCommon/yoga`
Downloading dependencies
Using DoubleConversion (1.1.5)
Using Folly (2016.09.26.00)
Installing GLog (0.3.4)
#<Thread:0x00007fd5349ba008@/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:166 run> terminated with exception (report_on_exception is true):
Traceback (most recent call last):
    3: from /usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:169:in `block in reader'
    2: from /usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:169:in `loop'
    1: from /usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:170:in `block (2 levels) in reader'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:170:in `readpartial': stream closed in another thread (IOError)
#<Thread:0x00007fd5349b9ea0@/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:166 run> terminated with exception (report_on_exception is true):
Traceback (most recent call last):
    3: from /usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:169:in `block in reader'
    2: from /usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:169:in `loop'
    1: from /usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:170:in `block (2 levels) in reader'
/usr/local/lib/ruby/gems/2.5.0/gems/cocoapods-1.5.3/lib/cocoapods/executable.rb:170:in `readpartial': stream closed in another thread (IOError)
[!] /bin/bash -c 
set -e
#!/bin/bash
set -e

PLATFORM_NAME="${PLATFORM_NAME:-iphoneos}"
CURRENT_ARCH="${CURRENT_ARCH:-armv7}"

export CC="$(xcrun -find -sdk $PLATFORM_NAME cc) -arch $CURRENT_ARCH -isysroot $(xcrun -sdk $PLATFORM_NAME --show-sdk-path)"
export CXX="$CC"

# Remove automake symlink if it exists
if [ -h "test-driver" ]; then
    rm test-driver
fi

./configure --host arm-apple-darwin

# Fix build for tvOS
cat << EOF >> src/config.h

/* Add in so we have Apple Target Conditionals */
#ifdef __APPLE__
#include <TargetConditionals.h>
#include <Availability.h>
#endif

/* Special configuration for AppleTVOS */
#if TARGET_OS_TV
#undef HAVE_SYSCALL_H
#undef HAVE_SYS_SYSCALL_H
#undef OS_MACOSX
#endif

/* Special configuration for ucontext */
#undef HAVE_UCONTEXT_H
#undef PC_FROM_UCONTEXT
#if defined(__x86_64__)
#define PC_FROM_UCONTEXT uc_mcontext->__ss.__rip
#elif defined(__i386__)
#define PC_FROM_UCONTEXT uc_mcontext->__ss.__eip
#endif
EOF

checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for arm-apple-darwin-strip... no
checking for strip... strip
checking for a thread-safe mkdir -p... ./install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking for arm-apple-darwin-gcc... /Library/Developer/CommandLineTools/usr/bin/cc -arch armv7 -isysroot 
checking whether the C compiler works... no
xcrun: error: SDK "iphoneos" cannot be located
xcrun: error: SDK "iphoneos" cannot be located
xcrun: error: SDK "iphoneos" cannot be located
xcrun: error: unable to lookup item 'Path' in SDK 'iphoneos'
/Users/simoncigoj/Library/Caches/CocoaPods/Pods/External/GLog/f09d6cdb8398b4922e87d51f5245de7e-ed471/missing: Unknown `--is-lightweight' option
Try `/Users/simoncigoj/Library/Caches/CocoaPods/Pods/External/GLog/f09d6cdb8398b4922e87d51f5245de7e-ed471/missing --help' for more information
configure: WARNING: 'missing' script is too old or missing
configure: error: in `/Users/simoncigoj/Library/Caches/CocoaPods/Pods/External/GLog/f09d6cdb8398b4922e87d51f5245de7e-ed471':
configure: error: C compiler cannot create executables
See `config.log' for more details

question from:https://stackoverflow.com/questions/51768515/cocoa-pods-install-on-ios-project-not-working

Answer 1

Just execute the below command and you should be good to go:

sudo xcode-select --switch /Applications/Xcode.app

Credits